1986: 【例6.10】求x的n次方

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:28 Solved:18

Description

输入x,n,请用递归方法计算x的n次方

Input

x, n均为整数,x不为0

Output

x的n次方的值

Sample Input Copy

2 3

Sample Output Copy

8